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Species

We play an integral role in guiding and leading conservation efforts for these Pacific Region species

Pacific Salmon and Steelhead

These endangered and threatened national treasures face challenges from overfishing and habitat degradation. We mitigate for these pressures by producing more than 60 million salmon and steelhead nurtured in our hatcheries every year.

Pacific Lamprey

This fascinating prehistoric fish is in substantial decline in recent decades due to passage barriers, poor water quality, and more. The native Pacific Lamprey (Entosphenus tridentatus), like salmon, migrate to the ocean and then back upstream to spawn.

Interior Redband Trout

This tough little fish survives in many habitats including desert, yet faces challenges for survival. Redband trout (Oncorhynchus mykiss spp.) are a species of concern that are now protected under a multi-state conservation agreement.

Coastal Cutthroat Trout

Coastal cutthroat trout (Oncorhynchus clarkii clarkii), a species of concern, have a complex life history and need a variety of habitats to thrive. Their survival is challenged by forest management practices and estuary degradation.

Bull Trout

Bull trout (Salvelinus confluentus) are more sensitive to increased water temperatures and poor water quality than many other salmonids, so stream and habitat restoration efforts are particularly important for this threatened species.

Lake Sammamish Kokanee

Freshwater Mussels

Seven species of freshwater mussels inhabit the streams and lakes of the Pacific Northwest. Populations are declining due to habitat destruction and loss of host fish species. As filter feeders, freshwater mussels can both improve water quality and be used as indicators of water quality.

related Pages

Aquatic habitat monitoring at Northwest National Wildlife Refuges is used to make key adjustments for the effects of climate change. Beginning in 2014, the Service initiated a pilot project to develop a long-term aquatic monitoring program at salient sites across the Refuges' range. This project, though still in its infancy, is already producing important findings allowing the Service to take proactive action in climate change management.